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What is an exit code?

What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.

What is an exit code? 0 means success. 1 to 255 means failure. See the last one. — What is an exit code? · Download PNG

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What this card says

What it is

0 means success.

Why it matters

1 to 255 means failure.

How / example

See the last one.

echo $?

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